1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
{ $Id: fpdbgutil.pp 42802 2013-09-15 10:59:04Z martin $ }
{
---------------------------------------------------------------------------
fpdbgutil.pp - Native freepascal debugger - Utilities
---------------------------------------------------------------------------
This unit contains utility functions
---------------------------------------------------------------------------
@created(Mon Apr 10th WET 2006)
@lastmod($Date: 2013-09-15 12:59:04 +0200 (So, 15 Sep 2013) $)
@author(Marc Weustink <marc@@dommelstein.nl>)
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
unit FpDbgUtil;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils;
type
THexValueFormatFlag = (hvfSigned, hvfPrefixPositive, hvfIncludeHexchar);
THexValueFormatFlags = set of THexValueFormatFlag;
function AlignPtr(Src: Pointer; Alignment: Byte): Pointer;
function HexValue(const AValue; ASize: Byte; AFlags: THexValueFormatFlags): String;
procedure Log(const AText: String; const AParams: array of const); overload;
procedure Log(const AText: String); overload;
implementation
function AlignPtr(Src: Pointer; Alignment: Byte): Pointer;
begin
Result := Pointer(((PtrUInt(Src) + Alignment - 1) and not PtrUInt(Alignment - 1)));
end;
function HexValue(const AValue; ASize: Byte; AFlags: THexValueFormatFlags): String;
var
i: Int64;
p: PByte;
begin
if ASize > 8
then begin
Result := 'HexValue: size to large';
Exit;
end;
if ASize = 0
then begin
Result := '';
Exit;
end;
p := @AValue;
if p[ASize - 1] < $80
then Exclude(AFlags, hvfSigned);
if hvfSigned in AFlags
then i := -1
else i := 0;
Move(AValue, i, ASize);
if hvfSigned in AFlags
then begin
i := not i + 1;
Result := '-';
end
else begin
if hvfPrefixPositive in AFlags
then Result := '+';
end;
if hvfIncludeHexchar in AFlags
then Result := Result + '$';
Result := Result + HexStr(i, ASize * 2);
end;
procedure Log(const AText: String; const AParams: array of const); overload;
begin
WriteLN(Format(AText, AParams));
end;
procedure Log(const AText: String); overload;
begin
WriteLN(AText);
end;
end.
|
